Order Testudines Wagler, 1830 - turtles
   Suborder Pleurodira Cope, 1864
     Family Podocnemididae Cope, 1868 - Madagascan big-headed turtles and American sideneck river turtles
       1 Genus Erymnochelys Baur, 1888
       2 Genus Peltocephalus Duméril & Bibron, 1835
       3 Genus Podocnemis Wagler, 1830